Question

9. Calcular: (2)^ 3 − (−4)^ 2 + (−3)^ 2
a) 0 b) 1 c) -2 d) -1 e) 2

Answer 1

Explicación paso a paso:

=> 2³ = 2x2x2 = 8

=> (-4)² = (-4)x(-4) = 16

=> (-3)² = (-3)x(-3) = 9

Resolvemos:

2³ - (-4)² + (-3)²             //Hallamos las Potencias

8 - (16) + (9)

8 - 16 + 9

 -8    + 9

     1 <----------------- Respuesta alternativa b)

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